The value of the resistance shown below and the tolerance in it respectively are

Question

The value of the resistance shown below and the tolerance in it respectively are: (62 Times 10^2 Ohm, 5% from R) (26 Times 10^2 Ohm, 5% from R ) (62 Times 10^2 Ohm, 10% from R) (26 Times 10^2 Ohm, 10% from R ) The value of R_2 that is needed to balance the shown Wheatstone bridge circuit is: 10 Ohm 5 Ohm 2 Ohm 4 Ohm The diagram below shows three current earning conductors A, B, and C placed perpendicular to the same magnetic field which is directed out of the page. If the magnitude of the magnetic force acting on loop A is 120 mN, the magnitude of magnetic force acting on loops B and ( respectively are:

Explanation / Answer

first and econd band are blue and red respectively

hence they represent 62.

third band is red

it represents 10^2

the fourth band is gold

it means 5% of tolerance

hence option a is correct.

Q2.

parallel combination of 5 ohms and 5 ohms is given by 5*5/(5+5)=2.5 ohms

to balance whitstone bridge,

first arm resistance/second arm resistance=fourth arm resistance/third arm resistance

==>8/4=R2/(2.5)

==>R2=2*2.5=5 ohms

hence option b is correct.

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